This is a systematic review of randomized controlled trials (RCTs) addressing the use of enteral nutrition, parenteral nutrition, or volitional nutrition support for individuals with various stages and types of disease processes. Evidence is divided into five grades:

A- One or more high-quality RCTs demonstrated benefit. B- Evidence of benefit was limited to low-quality RCTS. C- Inadequate data to decide if a benefit is present or absent. D- Limited evidence was not able to define a benefit. E- One or more high-quality RCTs indicated that the intervention was not effective or if there was any evidence it caused harm.

Question(s) Addressed:

Does enteral nutrition affect clinical outcome?

Population: Participants provided EN or VNS as part of a treatment plan for an underlying disease process.

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The American Speech-Language-Hearing Association (ASHA) is the national professional, scientific, and credentialing association for 182,000 members and affiliates who are audiologists; speech-language pathologists; speech, language, and hearing scientists; audiology and speech-language pathology support personnel; and students.